package com.pronhub.cloud.shop;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.zuul.EnableZuulProxy;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.context.annotation.Bean;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

@SpringBootApplication
@EnableZuulProxy
@EnableFeignClients//扫描贴了注解的东西
//默认的是扫包com.pronhub.shop.cloud 没写对是扫描不了的
//@EnableFeignClients(basePackages = "")这个是指定的路径
public class ZuulServerApp {
     public static void main(String[] args){
          SpringApplication.run(ZuulServerApp.class,args);
      }
      //跨域访问的问题
      @Bean
      public CorsFilter corsFilter() {
          final UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
          final CorsConfiguration config = new CorsConfiguration();
          // 允许cookies跨域
          config.setAllowCredentials(true);
          // #允许向该服务器提交请求的URI，*表示全部允许，在SpringMVC中，如果设成*，会自动转成当前请求头中的Origin
          config.addAllowedOrigin("*");
          // #允许访问的头信息,*表示全部
          config.addAllowedHeader("*");
          // 预检请求的缓存时间（秒），即在这个时间段里，对于相同的跨域请求不会再预检了
          config.setMaxAge(18000L);
          // 允许提交请求的方法，*表示全部允许
          config.addAllowedMethod("OPTIONS");
          config.addAllowedMethod("HEAD");
          // 允许Get的请求方法
          config.addAllowedMethod("GET");
          config.addAllowedMethod("PUT");
          config.addAllowedMethod("POST");
          config.addAllowedMethod("DELETE");
          config.addAllowedMethod("PATCH");
          source.registerCorsConfiguration("/**", config);
          return new CorsFilter(source);
      }
}
